/* ── Toast ── */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(20px + env(safe-area-inset-bottom));
  max-width: min(520px, calc(100vw - 28px));
  transform: translateX(-50%) translateY(30px);
  opacity: 0;
  padding: 12px 20px;
  border-radius: 14px;
  border: 1px solid var(--line-glow);
  background: var(--surface-strong);
  color: var(--text);
  box-shadow: var(--shadow);
  pointer-events: none;
  transition: opacity 200ms ease, transform 200ms ease;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.04em;
  z-index: 10000;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}